R. V. Ry, T. Septyana, S. Widiyantoro, A. D. Nugraha, and A. Ardjuna, “Borehole Microseismic Imaging of Hydraulic Fracturing: A Pilot Study on a Coal Bed Methane Reservoir in Indonesia”, J. Eng. Technol. Sci., vol. 51, no. 2, pp. 251-271, Apr. 2019.